{"id":172005,"date":"2024-11-07T09:29:17","date_gmt":"2024-11-07T01:29:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172005\/"},"modified":"2024-11-07T09:29:18","modified_gmt":"2024-11-07T01:29:18","slug":"%e6%b8%85%e7%90%86redis%ef%bc%8c%e5%84%aa%e5%8c%96%e5%ad%98%e5%84%b2%e7%a9%ba%e9%96%93%ef%bc%88%e6%b8%85%e7%90%86redis%e4%b8%ad%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172005\/","title":{"rendered":"\u6e05\u7406Redis\uff0c\u512a\u5316\u5b58\u5132\u7a7a\u9593\uff08\u6e05\u7406redis\u4e2d\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e6%b8%85%e7%90%86redis%ef%bc%8c%e5%84%aa%e5%8c%96%e5%ad%98%e5%84%b2%e7%a9%ba%e9%96%93%ef%bc%88%e6%b8%85%e7%90%86redis%e4%b8%ad%e6%95%b8%e6%93%9a%ef%bc%89-CWEsemDcXF\">\u6e05\u7406Redis\uff0c\u512a\u5316\u5b58\u5132\u7a7a\u9593\uff08\u6e05\u7406redis\u4e2d\u6578\u64da\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u4f7f\u7528\u6642\u9593\u7684\u589e\u52a0\uff0cRedis\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u4e0d\u65b7\u589e\u9577\uff0c\u5c0e\u81f4\u5b58\u5132\u7a7a\u9593\u7684\u6d6a\u8cbb\u548c\u6027\u80fd\u7684\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406Redis\u4e2d\u7684\u6578\u64da\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u6e05\u7406Redis\u6578\u64da\uff0c\u512a\u5316\u5b58\u5132\u7a7a\u9593\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86redis%e6%95%b8%e6%93%9a%ef%bc%9f-CWEsemDcXF\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Redis\u6578\u64da\uff1f<\/h2>\n<p>\u6e05\u7406Redis\u6578\u64da\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u91cb\u653e\u5b58\u5132\u7a7a\u9593\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0cRedis\u7684\u5b58\u5132\u7a7a\u9593\u6703\u88ab\u5360\u7528\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u6216\u7121\u6cd5\u5b58\u5132\u65b0\u6578\u64da\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a<\/strong>\u904e\u591a\u7684\u6578\u64da\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u901f\u5ea6\uff0c\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\uff1a<\/strong>\u6e05\u7406\u904e\u671f\u6216\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u5f9e\u800c\u964d\u4f4e\u904b\u884c\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%85%e7%90%86redis%e6%95%b8%e6%93%9a-CWEsemDcXF\">\u5982\u4f55\u6e05\u7406Redis\u6578\u64da<\/h2>\n<p>\u6e05\u7406Redis\u6578\u64da\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-CWEsemDcXF\">1. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<p>Redis\u652f\u6301\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375\u201csession:123\u201d\u8a2d\u7f6e\u70ba\u57283600\u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>EXPIRE session:123 3600<\/code><\/pre>\n<h3 id=\"2-%e4%b8%bb%e5%8b%95%e5%88%aa%e9%99%a4%e4%b8%8d%e9%9c%80%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-CWEsemDcXF\">2. \u4e3b\u52d5\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da<\/h3>\n<p>\u5c0d\u65bc\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528DEL\u547d\u4ee4\u4e3b\u52d5\u522a\u9664\uff1a<\/p>\n<pre><code>DEL key<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u9375\u201ctemp:data\u201d\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>DEL temp:data<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%8d%b5%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%88%aa%e9%99%a4-CWEsemDcXF\">3. \u4f7f\u7528\u9375\u6a21\u5f0f\u5339\u914d\u522a\u9664<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u4e00\u7d44\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528KEYS\u547d\u4ee4\u914d\u5408DEL\u547d\u4ee4\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cKEYS\u547d\u4ee4\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u751f\u7522\u74b0\u5883\u4e2d\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<pre><code>KEYS pattern | xargs DEL<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u6240\u6709\u4ee5\u201ctemp:\u201d\u958b\u982d\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>KEYS temp:* | xargs DEL<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e7%ad%96%e7%95%a5-CWEsemDcXF\">4. \u4f7f\u7528Redis\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u904e\u671f\u6578\u64da\u3002\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u6216\u904b\u884c\u6642\u547d\u4ee4\u8a2d\u7f6e\u9019\u4e9b\u7b56\u7565\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u9019\u5c07\u4f7fRedis\u5728\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e7%b6%ad%e8%ad%b7-CWEsemDcXF\">\u76e3\u63a7\u548c\u7dad\u8b77<\/h2>\n<p>\u9664\u4e86\u5b9a\u671f\u6e05\u7406\u6578\u64da\u5916\uff0c\u9084\u61c9\u8a72\u5b9a\u671f\u76e3\u63a7Redis\u7684\u6027\u80fd\u548c\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684INFO\u547d\u4ee4\u4f86\u7372\u53d6\u7576\u524d\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u548c\u9375\u7684\u6578\u91cf\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u901a\u904e\u9019\u4e9b\u6578\u64da\uff0c\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u6e05\u7406\u7b56\u7565\uff0c\u78ba\u4fddRedis\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CWEsemDcXF\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7406Redis\u4e2d\u7684\u6578\u64da\u662f\u512a\u5316\u5b58\u5132\u7a7a\u9593\u548c\u63d0\u9ad8\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4e3b\u52d5\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\u3001\u4f7f\u7528\u9375\u6a21\u5f0f\u5339\u914d\u522a\u9664\u4ee5\u53ca\u5408\u7406\u914d\u7f6e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406Redis\u4e2d\u7684\u6578\u64da\u3002\u5b9a\u671f\u76e3\u63a7\u548c\u7dad\u8b77\u4e5f\u662f\u78ba\u4fddRedis\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a 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